What is Friar Laurence talking about in his opening soliloquy?

Friar Laurence opens the play with a soliloquy on the power of herbs and plants, both good and bad. He speaks of how they can be used for healing or for harm, and of how their effects can vary depending on how they are used. He warns of the dangers of using poisonous plants and emphasizes the importance of knowledge and caution when working with them. He concludes by calling for a responsible and mindful approach to using the power of nature.